CVE-2026-18843
Medium
Description
The Beaver Builder Plugin (Starter Version) plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via 'no_results_message' node_preview Parameter in all versions up to, and including, 2.11.0.1 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.
SeverityMedium
CVSS6.1
Exploit probability—
ProductBeaver Builder Plugin (Starter Version)
PublishedSep 5, 2026
First seenSep 5, 2026
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| The Beaver Builder Team Beaver Builder Plugin (Starter Version) | v ≤ 2.11.0.1 | — |
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